GNU bug report logs - #42806
[PATCH 0/1] Parse whole buffer of compilation output at once

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From: Jonas Bernoulli <jonas <at> bernoul.li>
To: 42806 <at> debbugs.gnu.org
Subject: bug#42806: [PATCH 1/1] Parse whole buffer of compilation output at once
Date: Mon, 10 Aug 2020 23:30:59 +0200

* lisp/progmodes/compile.el (compilation-next-single-property-change):
Parse whole buffer at once.

Remove the comment that mentioned that it is an option to do it in one
go as we now actually start doing.  As the existence of that comment
suggested, there is not really a reason to process the buffer in small
chunks.  On the contrary, processing the output in arbitrary units can
result in certain constructs not being recognized because they begin
in one arbitrary chunk, while ending in another.
---
 lisp/progmodes/compile.el | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el
index 0b9f417845..5b171fe966 100644
--- a/lisp/progmodes/compile.el
+++ b/lisp/progmodes/compile.el
@@ -2417,12 +2417,9 @@ compilation-next-single-property-change
                                                 &optional object limit)
   (let (parsed res)
     (while (progn
-             ;; We parse the buffer here "on-demand" by chunks of 500 chars.
-             ;; But we could also just parse the whole buffer.
              (compilation--ensure-parse
               (setq parsed (max compilation--parsed
-                                (min (+ position 500)
-                                     (or limit (point-max))))))
+                                (or limit (point-max)))))
              (and (or (not (setq res (next-single-property-change
                                       position prop object limit)))
                       (eq res limit))
-- 
2.28.0

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